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Simplifying 6u2 + 5u + -3 = 0 Reorder the terms: -3 + 5u + 6u2 = 0 Solving -3 + 5u + 6u2 = 0 Solving for variable 'u'. Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -0.5 + 0.8333333333u + u2 = 0 Move the constant term to the right: Add '0.5' to each side of the equation. -0.5 + 0.8333333333u + 0.5 + u2 = 0 + 0.5 Reorder the terms: -0.5 + 0.5 + 0.8333333333u + u2 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + 0.8333333333u + u2 = 0 + 0.5 0.8333333333u + u2 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 0.8333333333u + u2 = 0.5 The u term is 0.8333333333u. Take half its coefficient (0.4166666667). Square it (0.1736111111) and add it to both sides. Add '0.1736111111' to each side of the equation. 0.8333333333u + 0.1736111111 + u2 = 0.5 + 0.1736111111 Reorder the terms: 0.1736111111 + 0.8333333333u + u2 = 0.5 + 0.1736111111 Combine like terms: 0.5 + 0.1736111111 = 0.6736111111 0.1736111111 + 0.8333333333u + u2 = 0.6736111111 Factor a perfect square on the left side: (u + 0.4166666667)(u + 0.4166666667) = 0.6736111111 Calculate the square root of the right side: 0.82073815 Break this problem into two subproblems by setting (u + 0.4166666667) equal to 0.82073815 and -0.82073815.Subproblem 1
u + 0.4166666667 = 0.82073815 Simplifying u + 0.4166666667 = 0.82073815 Reorder the terms: 0.4166666667 + u = 0.82073815 Solving 0.4166666667 + u = 0.82073815 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-0.4166666667' to each side of the equation. 0.4166666667 + -0.4166666667 + u = 0.82073815 + -0.4166666667 Combine like terms: 0.4166666667 + -0.4166666667 = 0.0000000000 0.0000000000 + u = 0.82073815 + -0.4166666667 u = 0.82073815 + -0.4166666667 Combine like terms: 0.82073815 + -0.4166666667 = 0.4040714833 u = 0.4040714833 Simplifying u = 0.4040714833Subproblem 2
u + 0.4166666667 = -0.82073815 Simplifying u + 0.4166666667 = -0.82073815 Reorder the terms: 0.4166666667 + u = -0.82073815 Solving 0.4166666667 + u = -0.82073815 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-0.4166666667' to each side of the equation. 0.4166666667 + -0.4166666667 + u = -0.82073815 + -0.4166666667 Combine like terms: 0.4166666667 + -0.4166666667 = 0.0000000000 0.0000000000 + u = -0.82073815 + -0.4166666667 u = -0.82073815 + -0.4166666667 Combine like terms: -0.82073815 + -0.4166666667 = -1.2374048167 u = -1.2374048167 Simplifying u = -1.2374048167Solution
The solution to the problem is based on the solutions from the subproblems. u = {0.4040714833, -1.2374048167}
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